E-BOOK: Top 300+ Subnetting Practice Questions

by | May 22, 2017 | CCNA | 5 comments

Subnetting is one of the most important concepts for networking. Subnetting identifies a network with a range of Internet Protocol addresses in the Internet.

In this post, we have collected important questions related to subnetting. This question bank of more than 300+ questions will help you master CCNA Routing and Switching subnetting concepts.

  • How many subnets and hosts per subnet can you get from the network 172.20.0.0/23?
  • Which subnet does host 192.168.159.126/27 belong to?
  • Which subnet does host 192.168.226.171/28 belong to?
  • You are designing a subnet mask for the 10.0.0.0 network. You want 2100 subnets with up to 3900 hosts on each subnet. What subnet mask should you use?
  • What is the last valid host on the subnetwork 172.16.183.0/28?
  • What is the last valid host on the subnetwork 10.153.176.0/20?
  • How many subnets and hosts per subnet can you get from the network 172.20.0.0/26?
  • How many subnets and hosts per subnet can you get from the network 192.168.41.0/29?
  • What is the first valid host on the subnetwork that the node 10.114.98.215/20 belongs to?
  • How many subnets and hosts per subnet can you get from the network 192.168.73.0 255.255.255.248?
  • What is the last valid host on the subnetwork 192.168.107.0/26?
  • How many subnets and hosts per subnet can you get from the network 172.28.0.0 255.255.255.128?
  • Which subnet does host 172.31.241.76 255.255.255.0 belong to?
  • What is the broadcast address of the network 172.27.170.0 255.255.254.0?
  • What is the last valid host on the subnetwork 172.30.176.0/21?
  • What is the broadcast address of the network 172.25.158.0/23?
  • What is the last valid host on the subnetwork 192.168.241.100 255.255.255.252?
  • How many subnets and hosts per subnet can you get from the network 172.16.0.0 255.255.255.240?
  • Which subnet does host 172.26.89.168/21 belong to?
  • What is the first valid host on the subnetwork that the node 172.28.75.70/23 belongs to?
  • What is the last valid host on the subnetwork 172.18.50.0 255.255.255.128?
  • Which subnet does host 172.22.103.104 255.255.254.0 belong to?
  • Which subnet does host 172.18.182.222 255.255.255.128 belong to?
  • What valid host range is the IP address 172.17.121.243 255.255.254.0 a part of?
  • How many subnets and hosts per subnet can you get from the network 10.0.0.0 255.255.240.0?
  • What is the broadcast address of the network 10.59.128.0/20?
  • Which subnet does host 172.19.218.59 255.255.254.0 belong to?
  • Which subnet does host 172.31.174.70 255.255.254.0 belong to?
  • How many subnets and hosts per subnet can you get from the network 172.17.0.0/23?
  • What is the last valid host on the subnetwork 10.217.0.0 255.255.240.0?
  • What valid host range is the IP address 172.25.199.43/27 a part of?
  • What is the broadcast address of the network 172.20.118.64/28?
  • What valid host range is the IP address 172.27.28.55/26 a part of?
  • How many subnets and hosts per subnet can you get from the network 172.28.0.0/24?
  • What is the broadcast address of the network 192.168.104.96/28?
  • Which subnet does host 172.27.58.133/23 belong to?
  • What is the first valid host on the subnetwork that the node 172.31.159.51 255.255.255.224 belongs to?
  • Which subnet does host 10.134.193.71 255.255.240.0 belong to?
  • What is the broadcast address of the network 172.19.88.0 255.255.248.0?
  • How many subnets and hosts per subnet can you get from the network 172.29.0.0/26?
  • What is the broadcast address of the network 172.23.14.0 255.255.254.0?
  • How many subnets and hosts per subnet can you get from the network 172.20.0.0/23?
  • How many subnets and hosts per subnet can you get from the network 172.26.0.0 255.255.255.128?
  • What is the first valid host on the subnetwork that the node 172.20.155.212 255.255.255.224 belongs to?
  • Which subnet does host 192.168.187.94 255.255.255.192 belong to?
  • What is the broadcast address of the network 172.27.74.160/27?
  • Which subnet does host 172.29.120.163/28 belong to?
  • How many subnets and hosts per subnet can you get from the network 172.16.0.0/22?
  • How many subnets and hosts per subnet can you get from the network 172.17.0.0/25?
  • What is the last valid host on the subnetwork 192.168.26.64 255.255.255.224?
  • Which subnet does host 172.31.166.143/20 belong to?
  • Which subnet does host 172.17.240.227 255.255.240.0 belong to?
  • Which subnet does host 192.168.196.22/27 belong to?
  • You are designing a subnet mask for the 172.23.0.0 network. You want 40 subnets with up to 800 hosts on each subnet. What subnet mask should you use?
  • How many subnets and hosts per subnet can you get from the network 192.168.31.0/25?
  • Which subnet does host 172.31.174.91/23 belong to?
  • Which subnet does host 192.168.15.46/26 belong to?
  • What valid host range is the IP address 172.30.63.156/22 a part of?
  • What is the broadcast address of the network 172.24.64.0/20?
  • What valid host range is the IP address 172.30.6.220 255.255.255.240 a part of?
  • How many subnets and hosts per subnet can you get from the network 192.168.212.0 255.255.255.240?
  • What is the first valid host on the subnetwork that the node 192.168.112.78 255.255.255.224 belongs to?
  • Which subnet does host 172.19.248.153 255.255.254.0 belong to?
  • How many subnets and hosts per subnet can you get from the network 10.0.0.0 255.255.240.0?
  • What is the first valid host on the subnetwork that the node 192.168.51.33 255.255.255.192 belongs to?
  • How many subnets and hosts per subnet can you get from the network 192.168.98.0 255.255.255.224?
  • What is the last valid host on the subnetwork 172.27.144.0/25?
  • What valid host range is the IP address 172.18.89.103/25 a part of?
  • How many subnets and hosts per subnet can you get from the network 10.0.0.0/20?
  • What is the first valid host on the subnetwork that the node 172.24.185.176/25 belongs to?
  • What is the last valid host on the subnetwork 172.17.160.0/23?
  • What is the first valid host on the subnetwork that the node 172.19.245.58/27 belongs to?
  • What is the broadcast address of the network 192.168.102.232 255.255.255.248?
  • How many subnets and hosts per subnet can you get from the network 172.17.0.0/23?
  • Which subnet does host 10.247.102.159 255.255.240.0 belong to?
  • What is the first valid host on the subnetwork that the node 172.26.131.80 255.255.252.0 belongs to?
  • How many subnets and hosts per subnet can you get from the network 192.168.154.0 255.255.255.240?
  • What valid host range is the IP address 172.30.114.92/26 a part of?
  • What is the broadcast address of the network 172.30.93.192 255.255.255.192?
  • Which subnet does host 192.168.5.250/26 belong to?

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